PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20979-1Weight,counterbalance

Elbitamerica, Inc. · NSN 3040-01-418-4065 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-418-4065 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-418-4065. Primary manufacturer part number: 20979-1.
Features
  • Weight,counterbalance — FSC 3040
  • Outside Diameter: 0.265 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Elbitamerica, Inc.
Applications
  • Applications requiring Copper Alloy construction
General Description

The Weight,counterbalance, cataloged under National Stock Number 3040-01-418-4065, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-418-4065
Primary Part Number20979-1
Item NameWeight,counterbalance
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Outside Diameter0.265 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5970-00-117-5230190-2327-00 INTERCHANGEABLE
Insulator,standoff
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5998-01-106-231320979 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
6645-01-282-192820979 INTERCHANGEABLE
Chronometer
The Chelsea Clock Llc
5307-01-421-8344209791 INTERCHANGEABLE
Stud,plain
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5920-01-698-0091CCMR20 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
Cross-Reference Index
Part NumberManufacturer
20979 Elbitamerica, Inc. (USA)
20979-1 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5970-00-117-5230INTERCHANGEABLE
INSULATOR,STANDOFF
190-2327-00
5998-01-106-2313INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20979
6645-01-282-1928INTERCHANGEABLE
CHRONOMETER
20979
5307-01-421-8344INTERCHANGEABLE
STUD,PLAIN
209791
5920-01-698-0091INTERCHANGEABLE
FUSE,CARTRIDGE
CCMR20

Frequently Asked Questions

What is NSN 3040-01-418-4065?

NSN 3040-01-418-4065 is a Weight,counterbalance, manufactured by Elbitamerica, Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-418-4065?

NSN 3040-01-418-4065 has 2 cross-referenced part numbers: 20979 (Elbitamerica, Inc.), 20979-1 (Elbitamerica, Inc.).

What NSN replaces 3040-01-418-4065?

There are 5 known substitutes for 3040-01-418-4065: 5970-00-117-5230, 5998-01-106-2313, 6645-01-282-1928 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20979-1?

Key specifications for 20979-1: Outside Diameter: 0.265 INCHES NOMINAL IN; Material: COPPER ALLOY; Special Features: FLANGE .060 IN.DIA,.018 IN. WIDE;OVERALL WIDTH .033 IN.,MATERIAL-AMMONIO COPPER CARBONATE BLK OR EQUIV. IN; End Item Identification: AIRCRAFT,HERCULES C-130. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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